Bump aiobotocore from 2.7.0 to 2.9.0 (#863)

Bumps [aiobotocore](https://github.com/aio-libs/aiobotocore) from 2.7.0 to 2.9.0.
- [Release notes](https://github.com/aio-libs/aiobotocore/releases)
- [Changelog](https://github.com/aio-libs/aiobotocore/blob/master/CHANGES.rst)
- [Commits](aio-libs/aiobotocore@2.7.0...2.9.0)

---
updated-dependencies:
- dependency-name: aiobotocore
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

setup.cfg

@@ -25,7 +25,7 @@ install_requires =
     trafaret==2.1.1
     neuro-logging==21.12.2
     aiohttp-cors==0.7.0
-    aiobotocore==2.7.0
+    aiobotocore==2.9.0
     iso8601==2.1.0
     cachetools==5.3.2
     orjson